87120099

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{880001}}^1$

素因数の和:880018

約数の個数: 12

約数和(自身を含む): 137280312

約数和(自身を除く): 50160213

約数列:

[1, 3, 9, 11, 33, 99, 880001, 2640003, 7920009, 9680011, 29040033, 87120099]

約数ペア:

[(1, 87120099), (3, 29040033), (9, 9680011), (11, 7920009), (33, 2640003), (99, 880001)]